18184041 has 16 divisors (see below), whose sum is σ = 27025600. Its totient is φ = 12083904.

The previous prime is 18184037. The next prime is 18184043. The reversal of 18184041 is 14048181.

It is not a de Polignac number, because 18184041 - 2² = 18184037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18183996 and 18184014.

It is not an unprimeable number, because it can be changed into a prime (18184043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9345 + ... + 11121.

It is an arithmetic number, because the mean of its divisors is an integer number (1689100).

Almost surely, 2^18184041 is an apocalyptic number.

It is an amenable number.

18184041 is a deficient number, since it is larger than the sum of its proper divisors (8841559).

18184041 is a wasteful number, since it uses less digits than its factorization.

18184041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165 (or 2159 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 18184041 is about 4264.2749676821. The cubic root of 18184041 is about 262.9643047933.

The spelling of 18184041 in words is "eighteen million, one hundred eighty-four thousand, forty-one".